On 07/26/2011 02:18 AM, Marc Lavallée wrote:
Imagine two rooms with proper acoustic characteristics and treatments
for ambisonics reproduction: the first is 3mX4m and the other is four
times larger in surface (9mX12m). In both rooms there's a
horizontal hexagon of speakers, and 5 speakers are
sorry, itchy trigger finger...
On 07/26/2011 10:14 AM, Jörn Nettingsmeier wrote:
as mentioned before, the floor reflection is a very strong distance cue
at close range under semi-anechoic conditions (i.e. if you want to gauge
the distance of that sabre-toothed tiger or the potential mating
Tue, 26 Jul 2011 10:14:50 +0200,
Jörn Nettingsmeier netti...@stackingdwarves.net wrote :
regardless of room size, they will require a bit of equalisation. if
the speakers are designed to be close to a boundary surface, the one
that's not against a wall needs (gentle) bass boost. vice versa, if
Some papers that may be of interest:
Takahashi, A Novel View of Hearing in Reverberation, Neuron, Volume
62, Issue 1, 6-7, 16 April 2009
doi:10.1016/j.neuron.2009.04.004
Devore, et al., Accurate Sound Localization in Reverberant
Environments Is Mediated by Robust Encoding of Spatial Cues in the
On Tue, Jul 26, 2011 at 04:35:39PM -0400, Marc Lavallée wrote:
I will do it in software. It's a domestic setup, so I don't need
expensive active speakers and cabling; I prefer to use very small
speakers with lamp cords.
Lamp cords ? Use at least 2.5 mm^2 !
the problem is that your
On 2011-07-26, Fons Adriaensen wrote:
Lamp cords ? Use at least 2.5 mm^2 !
Where does this come from? I've never though cable geometry matters much
at all, unless your pumping so much power through a cable over such a
long distance that you have to worry about ohmic heating and the like.
On 07/27/2011 12:41 AM, Sampo Syreeni wrote:
On 2011-07-26, Fons Adriaensen wrote:
I certainly don't want you to waste your money on fancy speaker cables.
Never thought otherwise. That's obviously never been what we do here. ;)
But resistance does matter, so a good cross section such as
Tue, 26 Jul 2011 21:32:26 +,
Fons Adriaensen f...@linuxaudio.org wrote :
Lamp cords ? Use at least 2.5 mm^2 !
I'll use less than 10 meters of cabling to drive 10W max in each tiny 6
ohms speaker. So I'm not worried at all. Gauge 14 or 16 should be fine:
Am I right in thinking that the resistive component of the speaker's
impedance is effectively in series with its inductance? Say, 5 ohms
for an 8 ohm speaker? If so cable resistance is not so frightening
for domestic runs.
It's not so difficult to provide negative output impedance to counter
If you do not do something tricky with the amplifier--
and no commercial consumer audio amplifier intended for
universal use does this trickiness, or none I am aware of--
then the cable impedance operates as part of the amplifier
output impedance. This means that the amplifier
will not be flat
On 26/07/11 3:41 p.m., Sampo Syreeni wrote:
On 2011-07-26, Fons Adriaensen wrote:
I certainly don't want you to waste your money on fancy speaker cables.
Never thought otherwise. That's obviously never been what we do here. ;)
But resistance does matter, so a good cross section such as 2.5
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